11920407356 has 96 divisors (see below), whose sum is σ = 24830910720. Its totient is φ = 4936089600.

The previous prime is 11920407347. The next prime is 11920407371. The reversal of 11920407356 is 65370402911.

It is a super-2 number, since 2×11920407356² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19257215 + ... + 19257833.

It is an arithmetic number, because the mean of its divisors is an integer number (258655320).

Almost surely, 2^11920407356 is an apocalyptic number.

It is an amenable number.

11920407356 is an abundant number, since it is smaller than the sum of its proper divisors (12910503364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11920407356 is a wasteful number, since it uses less digits than its factorization.

11920407356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 11920407356 in words is "eleven billion, nine hundred twenty million, four hundred seven thousand, three hundred fifty-six".